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PURPOSE: To provide a wire saw engineering method which can secure stability of a part separated from an object material to be cut and smoothness of a cutting operation. ;CONSTITUTION: In a wire saw engineering method, through holes 2a-2d are bored at end parts of scheduled positions for ...
NPI activities What you will need: • Bachelor’s degree or above, Major in Mechanical, Material or Elec来自BOSS直聘trical Engineering or other related areas. • Min 5 years wafer saw process experiences • Excellent in wafer mount, wafer saw, wafer UV process • Good communicate with ...
同时,该研究还实验验证了44 GHz超高频下的微质量传感应用,获得的质量灵敏度高达33151.9 MHz·mm 2 ·μg−1 ,约为传统低频SAW器件的4000倍、传统石英微天平(QCM)器件的1011倍,为超高频SAW器件的开发利用提供了新思路,相关工作将于近日发表在中国工程院院刊 Engineering 上。 该论文的通讯作者为湖南大学段辉高教授...
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75% of which are swallowed. On reaching the stomach most of the metals are extracted by the gastric juices and easily enter the body fluid. Read more... Soil Test Kit Farmer's Training Modification / Troubleshooting Environmental Assessments Engineering for Pollution Control ...
针对兆赫兹级高频SAW电子烟雾化芯片驱动需求,基于单片机控制及直接数字频率合成技术,设计开发了一款由单片机控制模块、信号发生模块、信号处理模块、人机交互模块和电源模块构成的驱动控制电路,搭建了测试系统,并对电路的工作性能进行了测试分析。结果表明,该电路可实
Professional cutting tool supplies and machinery for the wood, metal, plastic, foam, food and sharpening industries. You can find circular saw blades for wood, metal and plastic, band saw blades, router bits, drill bits, hole saws, reciprocating blades,
在许多电力设备中,由于安装工艺及运行老化等原因,其电力线接点的接触电阻变大,进而导致温度升高,严重时会使接点熔断,造成供电故障[1-2]。为了避免这种安全隐患,需要设计开发一套温度监测装置。 传统温度传感器无法在高电压、大电流等恶劣环境下进行连续不断的温度监测,而声表面波温度传感器可以结合天线系统实现无线无源...
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